A Healthier You Author:Matilda Nordtvedt 7th grade health student textbook. Curriculum to help children understand the normal changes which take place in the body during the adolescent years. In-depth studies of the following systems are included: the endocrine system and how it is affected by drugs, including a look at the worldwide tragedy of drug abuse. A... more » Healthier You helps students learn to maintain physical fitness and make healthful, responsible decisions, knowing that the choices they make during their teen age years have long-term effects on their health. This 8-week study can be used with Science: Order and Reality.